4H-1-Benzopyran-4-one,2,3-dihydro- cas no:491-37-2
Synonyms: 4-Chromanone(6CI,7CI,8CI);2,3-Dihydro-4-benzopyranone;2,3-Dihydro-4H-1-benzopyran-4-one;2,3-Dihydro-4H-chromen-4-one;Chromanone;NSC 174058;
Name4H-1-Benzopyran-4-one,2,3-dihydro-
CAS491-37-2
Synonyms4-Chromanone(6CI,7CI,8CI);2,3-Dihydro-4-benzopyranone;2,3-Dihydro-4H-1-benzopyran-4-one;2,3-Dihydro-4H-chromen-4-one;Chromanone;NSC 174058;
EINECS(EC#)207-736-3
Molecular FormulaC9H8O2
Molecular Weight148.16
Appearancewhite to light yellow crystal powder
refractive index1.575
storage tempKeep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
HazardclassIRRITANT
Hazard Xi
Risk R33
Safety Hazard Codes:Xi
Risk Statements:33-36/37/38
33:Danger of cumulative effects
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:24/25-36-26
24/25:Avoid contact with skin and eyes
36:Wear suitable protective clothing
26:In case of contact with eyes, rinse immediately with plenty
of water and seek medical advice
WGK Germany:2
HazardClass:IRRITANT
